- Unavailable donor : Patients receive 2 courses of CC chemotherapy comprising dexamethasone orally or IV on days 1-5, vindesine IV on day 1, cytarabine IV over 3 hours on days 1 and 2, etoposide phosphate IV over 2 hours on days 3-5, and methotrexate, cytarabine, and prednisolone IT on day 5. Patients then receive 1 course of CVA chemotherapy comprising oral lomustine on day 1, vinblastine IV on days 1, 8, 15, and 22, and cytarabine IV over 1 hour on days 1-5. Patients undergo leukapheresis for collection of autologous peripheral blood stem cells after the first and/or second course of CC chemotherapy. Patients then proceed to autologous stem cell transplantation.